Matematika

Pertanyaan

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[tex]1 ) 15 p - 5 p ^{2} =

2) 9 x^{2} - 4 y^{2} =

3) a^{2} - 25 b^{2} =

4) 36 - 4 p^{2} =

5) 2 x^{2} - 8 y^{2} =
[/tex]

2 Jawaban

  • [tex]1) 15p - 5 p^{2} = 5( 3p - p^{2} ) 2) 9 x^{2} - 4y ^{2} = ( 3x + 2y ) ( 3x - 2y ) 3) a^{2} - 25 b^{2} = ( a + 5b ) ( a - 5b ) 4) 36 - 4 p^{2} = ( 6 + 2p ) ( 6 - 2p ) 5) 2 x^{2} - 8y ^{2} = 2 ( x^{2} - 4 y^{2} [/tex]
  • 1.
    15p-5p^2
    5p(3-p)

    2.
    9x^2-4y^2
    (3x)^2-(2y)^2
    (3x+2y)(3x-2y)

    3.a^2-25b^2
    (a+5b)(a-5b)

    4.36-4p^2
    4(9-p^2)
    4(3^2-p^2)
    4(3+p)(3-p)

    5.2x^2-8y^2
    2(x+2y)(x-2y)

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